FCC ID: 2BEA7-DF98 Mechanical Keyboard

darkFlash Gasket Mechanical Keyboard Model: DF98 Lightless Rating: 5V--500mA(max) Company:

darkFlash Guangzhou Co.,Ltd FCC ID:2BEA7-DF98. o&

Fe c Made in China

Manufacturer:Huaxiang(Guangzhou)Technology Co.,Ltd. Address: Floor 2,Building A,Second Industrial Park,TuanjieRoad,Xinya Street,Huadu District,GuangzhouCity,Guangdong Province M/N:DF98 Antenna Specification Specifications Summary ITEM Model Name Center Frequency MAX. GAIN Polarization SPEC. IBM 2.4 GHz 2402 MHz 2441 MHz 2480 MHz 2.34 dBi 2.07dBi 1.45 dBi 2.34 dBi Horizontal Azimuth Beam Pattern Omni-directional Impedance Antenna Length 50 36.0 mm Antenna Photo & Length (mm) Test Address Test Date Test Instrument 16 Tzu Chiang Road, Hsinchu Industrial District Hsinchu Hsien 303, Taiwan 2009-04-14 vector network analyzer - R&S ZVB20 1. Main antenna : 2402 MHz 1.1 Horizontal Frequency(MHZ):

2402 Antenna Polarity:

Horizontal Maximum Gain(dBi): 2.4 Average Gain(dBi) :

-2.48 Minimum Gain(dBi):

-55.18 1.2 Vertical Frequency(MHZ):

2402 Antenna Polarity:

Vertical Maximum Gain(dBi): -4.51 Average Gain(dBi) :

Minimum Gain(dBi):

-8.98

-62.3 2. Main antenna : 2441 MHz 2.1 Horizontal Frequency(MHZ):

2441 Antenna Polarity:

Horizontal Maximum Gain(dBi): 2.07 Average Gain(dBi) :

-2.54 Minimum Gain(dBi):

-66.98

2.2 Vertical Frequency(MHZ):

2441 Antenna Polarity:

Vertical Maximum Gain(dBi): -4.29 Average Gain(dBi) :

Minimum Gain(dBi):

-8.81

-51.4 2. Main antenna : 2480 MHz 2.1 Horizontal Frequency(MHZ):

2480 Antenna Polarity:

Horizontal Maximum Gain(dBi):

1.45 Average Gain(dBi) :

-3.34 Minimum Gain(dBi):

-53.4 2.2 Vertical Frequency(MHZ):

2480 Antenna Polarity:

Vertical Maximum Gain(dBi): -4.95 Average Gain(dBi) :

-9.06 Minimum Gain(dBi):

-60.00

DARKFLASH GUANGZHOU CO.,LTD 3/29/2024 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 REQUEST FOR CONFIDENTIALITY - FCC FCC ID: 2BEA7-DF98 Pursuant to Sections 0.457(d)(1)(ii) and 0.459 of the Commissions Rules and FCC Guidance document 726920, we hereby request confidential treatment of information accompanying this application as outlined below:

PERMANENT LONG-TERM CONFIDENTIALITY:

Schematics Block Diagrams Theory of Operation The above information contains trade secrets and proprietary information not customarily released to the public. The public disclosure of this information might be harmful to the applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457(d)(1)(ii), disclosure of this Application and all accompanying materials will not be made before the date of the Grant for this Application. Sincerely, Signed:

Printed name: Yexin.Shao Title: Marketing Executive Company Name: DARKFLASH GUANGZHOU CO.,LTD

DARKFLASH GUANGZHOU CO.,LTD Covered Equipment Certification Attestation Letter 2024-03-29 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: 2BEA7-DF98 DARKFLASH GUANGZHOU CO.,LTD (the applicant) certifies that the equipment for which authorization is sought is not covered equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the e quipment is not covered equipment. DARKFLASH GUANGZHOU CO.,LTD (the applicant) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing covered equipment. Signed:

Printed name: Yexin.Shao Title: Marketing Executive Company Name: DARKFLASH GUANGZHOU CO.,LTD Date 2024-03-29

DARKFLASH GUANGZHOU CO.,LTD U.S. Agent Designation for Service of Process -

Certification Attestation Letter Mar 29, 2024 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: 2BEA7-DF98 FRN:0034665547 Per section 2.911(d)(7) of the FCC rules, Wuhan Yixin Technology Co., Ltd.certifies that the equipment for which authorization is sought is designated to the following U.S. Designated agent* for service of process:

Company Name:

Physical U.S. Company Address:

Agent name:

Agent Email Address:

FRN:

Phuntion LLC 25214 Spectrum, Irvine, CA92618 Jun.Tian jun.tian@phuntions.com 0033422403 The above contact person accepts the obligation for service of process. The applicant accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Applicant Signed:

Designated Agent Signed:

(Required, if different to Applicant):

Signed:

Printed name:

Title:

Company Name:

Date:

Yexin.Shao Marketing Executive DARKFLASH GUANGZHOU CO.,LTD Mar 29, 2024 Signed:

Printed name:

Title:

Company Name:

Date:

Jun.Tian CEO Phuntion LLC Mar 29, 2024

the applicant must designate a contact located in the United States for purposes of acting as the applicants agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process.

Product Name:

Mechanical Keyboard Model No.:

DF98 Lightless,, GK104GK108GK106CK106CK108CK104 CK100GK100DF98DF87DF108DF68DF75DF18DF22 DFS99DFS108DFS68,DFS75DFS18,DFS22DFS87DFS104 CK87CK68CK75GK87GK68GK75AigoWQ5102AigoVK001 AigoK100AigoK120AigoV200 Operation Frequency: 2402MHz-2480MHz;2403.85-2479.85MHz Channel numbers:

7916 Modulation type:

GFSK Antenna Type:

Antenna gain:

Power supply:

PCB Antenna 2.34dBi DC 3.7V From Battery Frequency and Channel list:BT Channel Frequency Channel Frequency Channel Frequency Channel Frequency No.

(MHz) No.

(MHz) No.

(MHz) No.

(MHz) 2402 2406 2410 2414 2418 2422 2426 2430 2434 2438 2442 2446 2450 2454 2458 2462 2466 2470 2474 2478 2 6 10 14 18 22 26 30 34 38 42 46 50 54 58 62 66 70 74 78 2403 2407 2411 2415 2419 2423 2427 2431 2435 2439 2443 2447 2451 2455 2459 2463 2467 2471 2475 2479 3 7 11 15 19 23 27 31 35 39 43 47 51 55 59 63 67 71 75 79 2404 2408 2412 2416 2420 2424 2428 2432 2436 2440 2444 2448 2452 2456 2460 2464 2468 2472 2476 2480 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76

2405 2409 2413 2417 2421 2425 2429 2433 2437 2441 2445 2449 2453 2457 2461 2465 2469 2473 2477

1 5 9 13 17 21 25 29 33 37 41 45 49 53 57 61 65 69 73 77 Frequency and Channel list for GFSK Channel Frequency Channel Frequency No.

(MHz) No.

(MHz) 1 3 5 7 9 11 13 15 2403.85 2414.85 2422.85 2436.85 2441.85 2453.85 2463.85 2473.85 2 4 6 8 10 12 14 16 2407.85 2419.85 2426.85 2439.85 2445.85 2459.85 2466.85 2479.85